HESI A2 LPN EXAM WITH CORRECT QUESTIONS AND ANSWERS
MitralyValvey-yCORRECTyANSWER-
Liesybetweenyleftyventricley(LV)yandyleftyatriumy(LA)
Chemoreceptoryisystimulatedybyy-yCORRECTyANSWER-
increaseyinyCO2yandydecreaseyinyarterialypH
Howymanyychromosomesyatytheyendyofymeiosis?y-yCORRECTyANSWER-23
Elbowyhasyaysynovialyfluidyprotectingythey-yCORRECTyANSWER-Hingeyjoints
Commonyotitisymediayinytheyeustachianytubeyofykidsy-yCORRECTyANSWER-
becauseytheiryeustachianytubesyareyshorter
"Masterygland"yisythey-yCORRECTyANSWER-pituitary
Whatyproducesyoocytes,yestrogen,y&yprogesterone?y-yCORRECTyANSWER-ovaries
Howymanyydaysyinyaymenstrualycycle?y-yCORRECTyANSWER-28
whatymembraneylinesyexternalyorgans?y-yCORRECTyANSWER-mucousymembrane
whatyisybreathingycontrolledybyy-yCORRECTyANSWER-medullayoblongatayandypons
staticy-yCORRECTyANSWER-standstill
dynamicy-yCORRECTyANSWER-movingyatysameyrate
redybloodycellsy-yCORRECTyANSWER-transportsyhemoglobin
whiteybloodycellsy-yCORRECTyANSWER-fightyinfections
plateletsy-yCORRECTyANSWER-slowybloodyflowy(clotting)
cardiorespiratoryysystemy-yCORRECTyANSWER-removingyunwantedysubstances
circulatoryysystemy-yCORRECTyANSWER-providesyoxygenyandynutrients
respiratoryysystemy-yCORRECTyANSWER-
nose,ysinuses,ypharynx,ylarynx,ytrachea,ylungs,yetc.
nervousysystemy-yCORRECTyANSWER-CNSyandyPNS
sympatheticy-yCORRECTyANSWER-fightyoryflight
,parasympatheticy-yCORRECTyANSWER-normalycondition
neuroendocrineysystemy-yCORRECTyANSWER-thalamusyandyhypothalamus
gastrointestinalysystemy-yCORRECTyANSWER-processesynutrients
urinaryysystemy-yCORRECTyANSWER-kidneys,yureter,ybladder,yurethra,yetc.
musculoskeletalysystemy-yCORRECTyANSWER-
bones,ytendons,ymuscles,yjoints,yligaments,yetc.
3ytypesyofyskiny-yCORRECTyANSWER-epidermis,ydermis,ysubcutaneous
Howymanyybonesyinyskull?y-yCORRECTyANSWER-28y(14yfacial,y14ycranial)
Howymanyybonesyinyverterbralycolumn?y-yCORRECTyANSWER-33
Howymanyyphalanges?y-yCORRECTyANSWER-56
Howymanyypairsyofyribs?y-yCORRECTyANSWER-12
Abdominopelvicy-yCORRECTyANSWER-Cavityycomposedyofytheyabdomenyandypelvis
Absorptiony-yCORRECTyANSWER-
Movementyofynutrientsyfromytheydigestiveytubeytoytheybloodstream
Actiny-yCORRECTyANSWER-ProteinymakingyupytheyIyBandyofytheysarcomere
AminoyAcidy-yCORRECTyANSWER-Theybuildingyblockyofyproteins
Antibodyy-yCORRECTyANSWER-
Specialyproteinsythatyprotectytheybodyyfromyforeignysubstances
ATPy-yCORRECTyANSWER-
AbbreviationyforyAdenosineytriphosphate,ywhichyisytheyenergyyofytheycell.yInymuscles
,ythisyenergyycausesyfilamentsytoyslideytogetherytoyproduceycontraction.
Atriay-yCORRECTyANSWER-Upperychambersyofytheyheart;yreceivesyblood
Bloody-yCORRECTyANSWER-
Consistsyofyapproximatelyy55%yplasmayandy45%yformedyelementsy(erythrocytes,yle
ukocytes,yandyplatelets).yServesytoytransportyoxygenyandynutrientsytoybodyycellsyand
ytoycarryyawayycarbonydioxideyandymetabolicywastes
,Plasmay-yCORRECTyANSWER-
Containsyabouty10%yproteins,yions,ynutrients,ywasteyproducts,yandyhormones,ywhich
yareydissolvedyorysuspendedyinywater.
FormedyElementy-yCORRECTyANSWER-
Erythrocytes,yleukocytes,yandyplatelets;yproducedyfromystemycellsyinyredyboneymarr
ow.
TricuspidyValvey-yCORRECTyANSWER-
Valveyonytheyrightysideyofytheyheartybetweenytheyatriumyandyventricle
BicuspidyValvey-yCORRECTyANSWER-
Valveyonytheyleftysideyofytheyheartybetweenytheyatriumyandyventricle
SemilunaryValvey-yCORRECTyANSWER-
Foundyatytheyentrancesyofytheypulmonaryytrunkyandytheyaorta.
SinoatrialyNodey-yCORRECTyANSWER-Initiatesytheyheart'syintrinsicybeat
Electrocardiogramy-yCORRECTyANSWER-
Measurementyofytheywaveyofyelectricalyactivityywithinytheyheart
Systoley-yCORRECTyANSWER-Contractionyphaseyofytheycardiacycycle
Diastoley-yCORRECTyANSWER-Relaxationyphaseyofytheycardiacycycle
MuscleyContractiony-yCORRECTyANSWER-
Resultsyinytheyslidingytogetheryofyactinyandymyosinyfilamentsywithinytheymuscleycelly
oryfiber
Mitosisy-yCORRECTyANSWER-
Necessaryyforygrowthyandyrepair.yTheyDNAyisyduplicatedyandydistributedytoy2ydaugh
terycells.
Meiosisy-yCORRECTyANSWER-
Specialycellydivisionythatytakesyplaceyinytheygonads.yChromosomeynumberyisyreduced
yfromy46ytoy23ysoywenytheyeggyandytheyspermyuniteyinyfertilizationytheyzygoteywillyha
veytheycorrectynumberyofychromosomes.
Skiny-yCORRECTyANSWER-
Theylargestyorganyinytheybody.yConsistsyofytheyepidermisyandytheydermis.
Epidermisy-yCORRECTyANSWER-
Outer,ymostyprotectiveylayeryofydeadykeratinizedyepithelialycells.yContainyMelanin.ySt
ratumycorneumy-ystratumylucidumy-ystratumygranulosumy-
ystratumygerminativumy(outerylayerytoyinner).
, Dermisy-yCORRECTyANSWER-
Underlyingylayerycomposedyofyfibrousyconnectiveytissueywithybloodyvessels,ynerveye
ndings,yandytheyassociatedyskinystructuresy(hairyfollicles/glands)
Melaniny-yCORRECTyANSWER-
Proteinypigmentythatyprotectsyagainstyradiationyfromytheysun
EccrineyGlandy-yCORRECTyANSWER-
Mostywidelyydistributedysweatyglandsythatyregulateybodyytemperatureybyyreleasingy
aywateryysecretionythatyevaporatesyfromytheysurfaceyofytheyskin
ApocrineyGlandy-yCORRECTyANSWER-
Sweatyglandythatyproduceyaysecretionycontainingycytoplasm.yMainlyyfoundyinytheyar
mpityandygroinyareas.
SebaceousyGlandy-yCORRECTyANSWER-
Releaseyanyoilyysecretionythroughytheyhairyfolliclesythatylubricatesytheyskinyandyprev
entsydrying.yTheseyglandsyareysusceptibleytoybecomingycloggedyandyattractingybacter
ia,yparticularlyyduringyadolescence.
HolocrineySecretiony-yCORRECTyANSWER-
Producesyoil;ywholeycellsyofytheysebaceousyglandyareypartyofythisysecretion
SkeletalySystemy-yCORRECTyANSWER-
Functionsytoysupport,ypermitymovement,yformybloodycellsy(homeopoiesis),yprotectyi
nternalyorgans,ydetoxify,ypointyforymuscleyattachment,ymineralystoragey(particularlyy
phosphorousyandycalcium)
LongyBoney-yCORRECTyANSWER-
Hasyanyirregularyepiphysisyatyeachyend,ycomposedymainlyyofyspongyy(cancellous)ybo
ne.yHasyayshafty(diaphysis)ycomposedyofycompactybone.
Osteoblasty-yCORRECTyANSWER-
Formycompactybone;yOnceybecomingyfixedyintoytheyboneymatrix,ytheyystopydividingy
butycontinueytoymaintainyboneytissueyasyosteocytes
Diaphysisy-yCORRECTyANSWER-Theyshaftycomposedyofycompactybone
Epiphysisy-yCORRECTyANSWER-Endyofyeachybone
AxialySkeletony-yCORRECTyANSWER-
Composedyofy28ybonesyofytheyskully(14yfacialybonesyandy14ybonesyofytheycranium)ya
ndy33ybonesyofytheyvertebralycolumny(7ycervicalyvertebrae,y12ythoracicyvertebrae,y5y
lumbaryvertebrae,y5ysacralyvertebrae,yandytheycoccygealyvertebrae)yandytheybonesyof
ytheythorx,ytheysternumyandythey12ypairsyofyribs
